<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>signin</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="shortcut icon" href="favicon.ico">
    <link rel="stylesheet" type="text/css" href="lib/bootstrap-4/css/bootstrap.min.css" />
    <link rel="stylesheet" type="text/css" href="styles/signin.css" />
</head>

<body>
    <div class="fixed-top">fixed top</div>
    <div class="row justify-content-center">
        <div class="col col-lg-4 alert alert-danger text-center">test test test test test!</div>
    </div>
    <div class="container">
        <div class="row align-items-center justify-content-center">
            <div class="col">
                <form class="bg-light rounded p-5 m-auto">
                    <h4 class="text-center text-primary mb-4">伍捌捌营销管理后台</h4>
                    <div class="input-inside-label">
                        <input id="account" class="form-control position-relative" placeholder="账户">
                        <label for="account">账户</label>
                    </div>
                    <div class="input-inside-label">
                        <input id="password" class="form-control position-relative mb-4" placeholder="密码">
                        <label for="password">密码</label>
                    </div>
                    <btn class="btn btn-primary btn-lg btn-block">登录</btn>
                    <footer>
                        <p class="text-center text-gray text-muted my-1">&copy; 2018 伍捌捌营销策划</p>
                    </footer>
                </form>
            </div>
        </div>
    </div>

    <script src="lib/jquery/jquery-3.3.1.min.js"></script>
    <script src="lib/bootstrap-4/js/bootstrap.min.js"></script>
</body>

</html>